Physics, asked by sandeshkriplaniviiil, 1 month ago

Write down the atmic number of first 20 elements along with their names.​

Answers

Answered by sainitannuu
2
  1. Hydrogen
  2. Helium
  3. Lithium
  4. Beryllium
  5. Boron
  6. Carbon
  7. Nitrogen
  8. Oxygen
  9. Flourine
  10. Neon
  11. Sodium
  12. Magnesium
  13. Alluminium
  14. Silicon
  15. Phosphorus
  16. Sulfur/sulphur
  17. Chlorine
  18. Argon
  19. Potassium
  20. Calcium

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